28330653

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 45852480

約数和(自身を除く): 17521827

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 169, 173, 221, 247, 323, 507, 519, 663, 741, 969, 2249, 2873, 2941, 3211, 3287, 4199, 6747, 8619, 8823, 9633, 9861, 12597, 29237, 38233, 42731, 54587, 55879, 87711, 114699, 128193, 163761, 167637, 497029, 555503, 726427, 1491087, 1666509, 2179281, 9443551, 28330653]

約数ペア:

[(1, 28330653), (3, 9443551), (13, 2179281), (17, 1666509), (19, 1491087), (39, 726427), (51, 555503), (57, 497029), (169, 167637), (173, 163761), (221, 128193), (247, 114699), (323, 87711), (507, 55879), (519, 54587), (663, 42731), (741, 38233), (969, 29237), (2249, 12597), (2873, 9861), (2941, 9633), (3211, 8823), (3287, 8619), (4199, 6747)]